Rename DIBuilder::createNullPtrType to createUnspecifiedType and introduce

a zero-argument createNullPtrType function for creating the canonical
nullptr type.

Differential Revision: http://llvm-reviews.chandlerc.com/D1050

llvm-svn: 185114

2 files changed, 14 insertions, 6 deletions

diff --git a/llvm/include/llvm/DIBuilder.h b/llvm/include/llvm/DIBuilder.h
index 021ef06e6c1..e7751d18f8a 100644
--- a/llvm/include/llvm/DIBuilder.h
+++ b/llvm/include/llvm/DIBuilder.h
@@ -115,8 +115,11 @@ namespace llvm {
     /// createEnumerator - Create a single enumerator value.
     DIEnumerator createEnumerator(StringRef Name, int64_t Val);
 
-    /// createNullPtrType - Create C++0x nullptr type.
-    DIBasicType createNullPtrType(StringRef Name);
+    /// \brief Create a DWARF unspecified type.
+    DIBasicType createUnspecifiedType(StringRef Name);
+
+    /// \brief Create C++11 nullptr type.
+    DIBasicType createNullPtrType();
 
     /// createBasicType - Create debugging information entry for a basic
     /// type.
diff --git a/llvm/lib/IR/DIBuilder.cpp b/llvm/lib/IR/DIBuilder.cpp
index 0dc0ed1720b..e30dcdca32a 100644
--- a/llvm/lib/IR/DIBuilder.cpp
+++ b/llvm/lib/IR/DIBuilder.cpp
@@ -208,11 +208,11 @@ DIEnumerator DIBuilder::createEnumerator(StringRef Name, int64_t Val) {
   return DIEnumerator(MDNode::get(VMContext, Elts));
 }
 
-/// createNullPtrType - Create C++11 nullptr type.
-DIBasicType DIBuilder::createNullPtrType(StringRef Name) {
+/// \brief Create a DWARF unspecified type.
+DIBasicType DIBuilder::createUnspecifiedType(StringRef Name) {
   assert(!Name.empty() && "Unable to create type without name");
-  // nullptr is encoded in DIBasicType format. Line number, filename,
-  // ,size, alignment, offset and flags are always empty here.
+  // Unspecified types are encoded in DIBasicType format. Line number, filename,
+  // size, alignment, offset and flags are always empty here.
   Value *Elts[] = {
     GetTagConstant(VMContext, dwarf::DW_TAG_unspecified_type),
     NULL, // Filename
@@ -228,6 +228,11 @@ DIBasicType DIBuilder::createNullPtrType(StringRef Name) {
   return DIBasicType(MDNode::get(VMContext, Elts));
 }
 
+/// \brief Create C++11 nullptr type.
+DIBasicType DIBuilder::createNullPtrType() {
+  return createUnspecifiedType("decltype(nullptr)");
+}
+
 /// createBasicType - Create debugging information entry for a basic
 /// type, e.g 'char'.
 DIBasicType